1219191808

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:443

約数の個数: 88

約数和(自身を含む): 2541555200

約数和(自身を除く): 1322363392

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 193, 199, 248, 256, 386, 398, 496, 512, 772, 796, 992, 1024, 1544, 1592, 1984, 3088, 3184, 3968, 5983, 6169, 6176, 6368, 7936, 11966, 12338, 12352, 12736, 15872, 23932, 24676, 24704, 25472, 31744, 38407, 47864, 49352, 49408, 50944, 76814, 95728, 98704, 98816, 101888, 153628, 191456, 197408, 197632, 203776, 307256, 382912, 394816, 614512, 765824, 789632, 1190617, 1229024, 1531648, 1579264, 2381234, 2458048, 3063296, 3158528, 4762468, 4916096, 6126592, 6317056, 9524936, 9832192, 19049872, 19664384, 38099744, 39328768, 76199488, 152398976, 304797952, 609595904, 1219191808]

約数ペア:

[(1, 1219191808), (2, 609595904), (4, 304797952), (8, 152398976), (16, 76199488), (31, 39328768), (32, 38099744), (62, 19664384), (64, 19049872), (124, 9832192), (128, 9524936), (193, 6317056), (199, 6126592), (248, 4916096), (256, 4762468), (386, 3158528), (398, 3063296), (496, 2458048), (512, 2381234), (772, 1579264), (796, 1531648), (992, 1229024), (1024, 1190617), (1544, 789632), (1592, 765824), (1984, 614512), (3088, 394816), (3184, 382912), (3968, 307256), (5983, 203776), (6169, 197632), (6176, 197408), (6368, 191456), (7936, 153628), (11966, 101888), (12338, 98816), (12352, 98704), (12736, 95728), (15872, 76814), (23932, 50944), (24676, 49408), (24704, 49352), (25472, 47864), (31744, 38407)]